Home / 20,464,731.18-28,241,419.23-11,297,449.26

Finding the Fourth Proportional to 20,464,731.18, 28,241,419.23 and 11,297,449.26

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Solution

The fourth proportional to 20,464,731.18, 28,241,419.23 and 11,297,449.26 is: 15,590,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,731.18 : 28,241,419.23 = 11,297,449.26 : x
  2. Step 2: Convert to fraction form
    20,464,731.18/28,241,419.23 = 11,297,449.26/x
  3. Step 3: Cross multiply
    20,464,731.18x = 28,241,419.23 × 11,297,449.26
  4. Step 4: Simplify right side
    20,464,731.18x = 319,056,000,781,313.25
  5. Step 5: Solve for x
    x = 319,056,000,781,313.25/20,464,731.18
  6. Step 6: Final answer
    x = 15,590,529.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.